diff --git a/README.md b/README.md
index a650bd6..d414bcc 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,9 @@ The API must have the following endpoints:
 | **PUT** | **/contacts/{id}** | Update a contact |
 | **GET** | **/contacts/{id}** | Get a specific contact |
 | **DELETE** | **/contacts/{id}** | Delete a contact |
-| **GET** | **/contacts/call-list** | List of all contacts ^1^ |
+| **GET** | **/contacts/call-list** | List of all contacts <sup>1</sup> |
 
-^1^ Restricted to contacts with a home phone sorted by last name then first name
+<sup>1</sup> Restricted to contacts with a home phone sorted by last name then first name
 
 ## Software
 The following software is required in order to build and run: